Home / 25,719.09-38,581.74-9,075.71

Finding the Fourth Proportional to 25,719.09, 38,581.74 and 9,075.71

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Solution

The fourth proportional to 25,719.09, 38,581.74 and 9,075.71 is: 13,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.09 : 38,581.74 = 9,075.71 : x
  2. Step 2: Convert to fraction form
    25,719.09/38,581.74 = 9,075.71/x
  3. Step 3: Cross multiply
    25,719.09x = 38,581.74 × 9,075.71
  4. Step 4: Simplify right side
    25,719.09x = 350,156,490.63
  5. Step 5: Solve for x
    x = 350,156,490.63/25,719.09
  6. Step 6: Final answer
    x = 13,614.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.